code: def unwrap(self) -> Union[str, DataFrame]:
      raise NotImplementedError()
  
imports: import os
  import re
  import uuid
  from abc import ABC, abstractmethod
  from dataclasses import dataclass
  from pathlib import Path
  from typing import Optional, Union
  from ludwig.api_annotations import DeveloperAPI
  from ludwig.utils.fs_utils import checksum
  from ludwig.utils.types import DataFrame
label_desc: Use image node_id 3 for calling the CacheableDataset obj's underlying member method code with example usage: obj.unwrap() without return types